. While ionCube is a standard for protecting intellectual property, the existence of "decoders" represents a constant battle between software security and reverse engineering. 1. Understanding the ionCube Ecosystem

No public tool does this reliably for v11. Most "decoders" are actually loaders that run the encoded file but do not output source code.

PHP 7.4 reached end-of-life in November 2022. Running decoded scripts without updating them could introduce security risks.

—attempting to turn compiled bytecode back into readable PHP. stackoverflow.com